6543342 has 60 divisors (see below), whose sum is σ = 15942960. Its totient is φ = 2004912.

The previous prime is 6543337. The next prime is 6543343. The reversal of 6543342 is 2433456.

6543342 is a `hidden beast` number, since 654 + 3 + 3 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6543343) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 27259 + ... + 27497.

It is an arithmetic number, because the mean of its divisors is an integer number (265716).

Almost surely, 2^6543342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6543342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7971480).

6543342 is an abundant number, since it is smaller than the sum of its proper divisors (9399618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6543342 is a wasteful number, since it uses less digits than its factorization.

6543342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 257 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 6543342 is about 2557.9956997618. The cubic root of 6543342 is about 187.0394456714.

Adding to 6543342 its reverse (2433456), we get a palindrome (8976798).

The spelling of 6543342 in words is "six million, five hundred forty-three thousand, three hundred forty-two".